一个运动员，为了能在百米比赛上场，至少要练上一万英里。数量带来经验。

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.

"A book is a dream that you hold in your hand."

The advantages found in history seem to be of three kinds， as they result either from the mere situation of the climate and country or from the form of government and of the character of the people， or from those finer principles and morals， which may be called the recommendations of philosophy.

The more personal a work is, the more universal it becomes.